Postkutsche

A module that combines PowerDns and Mailcow to create a mail domain with all required entries on both services in a single command.

Install

yarn add postkutsche

or

npm i postkutsche

Basic use

(async () => {
    //import the process.env variables from the .env file in which you should store them
    //you can install dotenv with `npm i dotenv --save-dev` or `yarn add dotenv --dev`
    require('dotenv').config();
 
    //import the Postkutsche class
    const {
        Postkutsche 
    } = require("./index.js");
 
    //create a new instance of Postkutsche providing it with the necessary api keys
    const pk = new Postkutsche({
        mailcow: {
            url: process.env.MAILCOW_API_URL,
            apikey: process.env.MAILCOW_API_KEY
        },
        powerdns: {
            url: process.env.PDNS_API_URL,
            apikey: process.env.PDNS_API_KEY
        }
    });
 
    const info={
        nameserver: ['ns1.domain.tld', 'ns2.domain.tld', 'ns3.domain.tld'],
        hostmasterEmail: '[e-mail]',
        dmarcMail: '[e-mail]', 
        mailDomain: 'domain.tld',
        mailServerHostname: 'mail.domain.tld',
        defaultMailbox: {
            local_part: `max.mustermensch`,
            name: `Max Mustermensch`
        },
        //NEEDED FOR MAILSERVER DOMAIN SETUP
        mailServerIp: '2a00:1450:4016:801::2003', //Your IPv6 address WITHOUT brackets([]) 
        mailServerLegacyIp: '127.0.0.1',//Your IPv4 address
        addLetsEncryptCAA: true,
        caaReportMail: '[e-mail]' //can be set if you want to get reports on malicious cert issues
    }
 
    //use a function from the Postkutsche class
    //adds the mail records for a domain and creates the domain on mailcow
    await pk.addMailDomain(info);
})();

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Links

NPM

Documentation

Code

powerdns-api

NPM

Documentation

Code

mailcow-api

NPM

Documentation

Code

Modules

postkutsche

Typedefs

ApiInfo : object

Info : object

postkutsche

• postkutsche
  • .Postkutsche
    • new module.exports.Postkutsche(info)
    • .getTLSA(info) ⇒ Array
    • .genMailDomainRecords(info) ⇒ Array
    • .addMailDomain(info, [log]) ⇒ Boolean
    • .addMailServerDnsRecords(info, [log]) ⇒ Boolean
    • .openpgpHash(localPart)
    • .openpgpRecord(localPart, publicKeyB64) ⇒ OpenpgpRecord
    • .setOpenpgpRecord(localPart, domain, publicKeyB64)
    • .cleanupAddMailServer(info)
    • .cleanupAddMailDomain(info)

postkutsche.Postkutsche

Class representing the Postkutsche client

Kind: static class of postkutsche

• .Postkutsche
  • new module.exports.Postkutsche(info)
  • .getTLSA(info) ⇒ Array
  • .genMailDomainRecords(info) ⇒ Array
  • .addMailDomain(info, [log]) ⇒ Boolean
  • .addMailServerDnsRecords(info, [log]) ⇒ Boolean
  • .openpgpHash(localPart)
  • .openpgpRecord(localPart, publicKeyB64) ⇒ OpenpgpRecord
  • .setOpenpgpRecord(localPart, domain, publicKeyB64)
  • .cleanupAddMailServer(info)
  • .cleanupAddMailDomain(info)

new module.exports.Postkutsche(info)

Create a postkutsche client.

Param	Type	Description
info	ApiInfo	The provided ApiInfo object

Example

(async () => {
    //import the process.env variables from the .env file in which you should store them
    //you can install dotenv with `npm i dotenv --save-dev` or `yarn add dotenv --dev`
    require('dotenv').config();
 
    //import the Postkutsche class
    const {
        Postkutsche 
    } = require("./index.js");
 
    //create a new instance of Postkutsche providing it with the necessary api keys
    const pk = new Postkutsche({
        mailcow: {
            url: process.env.MAILCOW_API_URL,
            apikey: process.env.MAILCOW_API_KEY
        },
        powerdns: {
            url: process.env.PDNS_API_URL,
            apikey: process.env.PDNS_API_KEY
        }
    });
 
    const info={
        nameserver: ['ns1.domain.tld', 'ns2.domain.tld', 'ns3.domain.tld'],
        hostmasterEmail: '[e-mail]',
        dmarcMail: '[e-mail]', 
        mailDomain: 'domain.tld',
        mailServerHostname: 'mail.domain.tld',
        defaultMailbox: {
            local_part: `max.mustermensch`,
            name: `Max Mustermensch`
        },
        //NEEDED FOR MAILSERVER DOMAIN SETUP
        mailServerIp: '2a00:1450:4016:801::2003', //Your IPv6 address WITHOUT brackets([]) 
        mailServerLegacyIp: '127.0.0.1',//Your IPv4 address
        addLetsEncryptCAA: true,
        caaReportMail: '[e-mail]' //can be set if you want to get reports on malicious cert issues
    }
 
    //use a function from the Postkutsche class
    //adds the mail records for a domain and creates the domain on mailcow
    await pk.addMailDomain(info);
})();

postkutsche.getTLSA(info) ⇒ Array

Kind: instance method of Postkutsche
Returns: Array - with tlsa records ready to be inserted into powerdns

Param	Type	Description
info	Info	Info object with the necessary information to generate the tlsa records

Example

await pk.getTLSA({
            mailServerHostname: 'mail.domain.tld',
            mailServerIp: '2a00:1450:4016:801::2003',
            mailServerLegacyIp: '127.0.0.1'
        });

postkutsche.genMailDomainRecords(info) ⇒ Array

Kind: instance method of Postkutsche
Returns: Array - with domain relevant mail records

Param	Type	Description
info	Info	Info object with the necessary information to generate the domain mail records

Example

pk.genMailDomainRecords({
            mailServerHostname: 'mail.domain.tld',
            mailDomain: 'domain.tld',
            dmarcMail: '[e-mail]'
        });

postkutsche.addMailDomain(info, [log]) ⇒ Boolean

This will add:

• Mailcow:
  • Domain (if not present)
  • Mailbox (if not present)
  • DKIM Key (if not present)
  • Alias: catchall (catchall will relay everything @yourdomain.tld to your Mailbox) (if not present)
• PowerDns:
  • Domain (if not present)
  • Mail records for the domain (won't touch other records but will overwrite present matching records)
  • DNSSEC (if domain wasn't present)
  • Create record on mailServerDomain(if not the same as mailDomain) to allow dmarc mails to sent to this domain

Kind: instance method of Postkutsche
Returns: Boolean - true on success

Param	Type	Default	Description
info	Info		Info object with the necessary information to create a mail domain on mailcow and the necessary records on powerdns
[log]	Boolean	true	you can disable logging by setting this to false

Example

await pk.addMailDomain({
            nameserver: ['ns1.domain.tld', 'ns2.domain.tld', 'ns3.domain.tld'],
            hostmasterEmail: '[e-mail]',
            dmarcMail: '[e-mail]', 
            mailDomain: 'domain.tld',
            mailServerHostname: 'mail.domain.tld',
            defaultMailbox: {
                local_part: `max.mustermensch`,
                name: `Max Mustermensch`,
                password:`set some good password here` //can be omitted
            }
        });

postkutsche.addMailServerDnsRecords(info, [log]) ⇒ Boolean

This will add:

• PowerDns:
  • Domain for the mailserver hostname (if not present)
  • DNSSEC (will replace old dnssec if present)
  • TLSA records for the domain (for the creation of the tlsa records you need to have openssl installed. you can specify the path, if it can't be found globally as 'openssl')
  • Records for the mailserver

Kind: instance method of Postkutsche
Returns: Boolean - true on success

Param	Type	Default	Description
info	Info		Info object with the necessary information to create the relevant records for the mailserver
[log]	Boolean	true	you can disable logging by setting this to false

Example

await pk.addMailServerDnsRecords({
            nameserver: ['ns1.domain.tld', 'ns2.domain.tld', 'ns3.domain.tld'],
            hostmasterEmail: '[e-mail]',
            mailServerHostname: 'mail.domain.tld',
            mailServerIp: '2a00:1450:4016:801::2003', //Your IPv6 address WITHOUT brackets([]) 
            mailServerLegacyIp: '127.0.0.1',//Your IPv4 address
            addLetsEncryptCAA: true,
            caaReportMail: '[e-mail]' //can be set if you want to get reports on malicious cert issues
    });

postkutsche.openpgpHash(localPart)

Creates the front part of the openpgp dns record

Kind: instance method of Postkutsche

Param	Type	Description
localPart	String	local part of your email address (the part before the @ not including the @)

Example

console.log(pk.openpgpHash('max.mustermensch'));

postkutsche.openpgpRecord(localPart, publicKeyB64) ⇒ OpenpgpRecord

Creates an openpgp dns record

Kind: instance method of Postkutsche

Param	Type	Description
localPart	String	local part of your email address (the part before the @ not including the @)
publicKeyB64	String	your publickey in base64 (it should be correct if it includes -----BEGIN PGP PUBLICKEY BLOCK-----) or only contains these characters: A-Z a-z 0-9 + /

Example

console.log(pk.openpgpRecord('max.mustermensch','-----BEGIN PGP (...)'));

postkutsche.setOpenpgpRecord(localPart, domain, publicKeyB64)

Sets an openpgp record on your powerdns server Will overwrite key with the same local part

Kind: instance method of Postkutsche

Param	Type	Description
localPart	String	local part of your email address (the part before the @ not including the @)
domain	String	the domain you want to add the key to
publicKeyB64	String	your publickey in base64 (it should be correct if it includes -----BEGIN PGP PUBLICKEY BLOCK-----) or only contains these characters: A-Z a-z 0-9 + /

Example

await pk.setOpenpgpRecord('max.mustermensch','domain.tld','-----BEGIN PGP (...)');

postkutsche.cleanupAddMailServer(info)

Will delete the complete mailserver domain from powerdns

Kind: instance method of Postkutsche

Param	Type	Description
info	Info	Info object with the necessary information to delete the mailserver domain

Example

pk.cleanupAddMailServer({mailServerHostname:'mail.domain.tld'});

postkutsche.cleanupAddMailDomain(info)

Will delete a domain from powerdns and mailcow THIS WILL DELETE YOUR MAILBOX AND EVERYTHING ELSE CONCERNING THIS DOMAIN

Kind: instance method of Postkutsche

Param	Type	Description
info	Info	Info object with the necessary information to create a mail domain on mailcow and the necessary records on powerdns

Example

await pk.cleanupAddMailDomain({
             dmarcMail: '[e-mail]', 
             mailDomain: 'domain.tld',
             defaultMailbox: {
                 local_part: `max.mustermensch`,
                 name: `Max Mustermensch`
             }
         });

ApiInfo : object

Kind: global typedef
Properties

Name	Type
mailcow	object
mailcow.url	string
mailcow.apikey	string
powerdns	object
powerdns.url	String
powerdns.apikey	String

Example

{
        mailcow: {
            url: process.env.MAILCOW_API_URL,
            apikey: process.env.MAILCOW_API_KEY
        },
        powerdns: {
            url: process.env.PDNS_API_URL,
            apikey: process.env.PDNS_API_KEY
        }
    }

Info : object

Kind: global typedef
Properties

Name	Type	Default	Description
nameserver	Array.<string>		array of nameservers for your domain, first ns in the list will be used as primary
hostmasterEmail	string		hostnmaster email address
[dmarcMail]	string		add mail if you want to get dmarc reports
mailDomain	string		the domain you may want to add mail for
mailServerHostname	String		the hostname of the mailserver
defaultMailbox	Object
defaultMailbox.local_part	String		local part of you mailbox (the part before the @ not including the @)
defaultMailbox.name	String		the name of mailbox
[defaultMailbox.password]	String	RANDOM	will generate a random password for your mailbox if omitted
mailServerIp	String		IPv6 address of your mailserver
mailServerLegacyIp	String		IPv4 address of your mailserver
[addLetsEncryptCAA]	Boolean		enable this option if you are ONLY using letsencrypt certs
[caaReportMail]	String
[openssl_path]	String	'openssl'	optional alternative path for openssl

Example

{
        nameserver: ['ns1.domain.tld', 'ns2.domain.tld', 'ns3.domain.tld'],
        hostmasterEmail: '[e-mail]',
        dmarcMail: '[e-mail]', 
        mailDomain: 'domain.tld',
        mailServerHostname: 'mail.domain.tld',
        defaultMailbox: {
            local_part: `max.mustermensch`,
            name: `Max Mustermensch`
        },
        //NEEDED FOR MAILSERVER DOMAIN SETUP
        mailServerIp: '2a00:1450:4016:801::2003', //Your IPv6 address WITHOUT brackets([]) 
        mailServerLegacyIp: '127.0.0.1',//Your IPv4 address
        addLetsEncryptCAA: true,
        caaReportMail: '[e-mail]' //can be set if you want to get reports on malicious cert issues
    }